Question

Hydrogen occupy a unique position in modern periodic tablr .justify your answer

Answer 1

Because properties of H are not properly known so it is an exception s8 has a unique position

Answer 2

$\huge \mathbb {\gray {\underline {\red{\underline{ANSWER :-}}}}}$

Though hydrogen is a non-metal, it has been placed at the top of group 1 above the alkali metals because its electronic configuration is similar to alkali metals i.e. (have 1 valence electron in the outermost shell).